Unique and compact portable design, perfect for your room, office, yoga room etc. Add an aroma to your living space to prevent dry, stuffy air and fill your home with lovely fragrance using essential oils. Ultrasonic technology uses no heat, maintaining the holistic and therapeutic properties of essential oils, and no filters to clean. Adjustable LED night light, gently fading between colours. Added safety feature of automatic shut down when water runs out. 400ml capacity, made of PP and ABS.